Table 4.

Fecal neurotransmitters concentrations between the two groups

Items	ScZ-Ag	NScZ-Ag	P value
Tryptamine	0.11(0.16)	0.17(0.66)	0.233
Tryptophan	12.56(10.73)	15.86(12.83)	0.329
Serotonin hydrochloride	1.13(2.64)	0.16(0.41)	0.351
5-Hydroxytryptophan	0.04(0.03)	0.07(0.03)	0.005
Dopamine hydrochloride	0.07(0.13)	0.12(0.20)	0.256
Levodopa	0.17(0.12)	0.28(0.24)	0.031
Noradrenaline hydrochloride	8.48(7.70)	14.75(12.20)	0.035
Adrenaline hydrochloride	0.03(0.04)	0.07(0.06)	0.009
Kynurenic acid	0.08(0.12)	0.25(0.23)	0.003
Kynurenine	0.10(0.11)	0.14(0.12)	0.292
Aminobutyric acid	13.67(12.79)	15.40(22.32)	0.737
Tyramine	12.25(13.48)	11.18(8.75)	0.741
Tyrosine	65.54(39.09)	73.10(39.28)	0.498
Histamine	5.11(6.82)	6.60(11.68)	0.452
Histidine	0.73(0.75)	1.49(1.91)	0.002
Glutamine	110.58(69.53)	121.02(89.04)	0.646
Glutamic acid	112.27(76.22)	124.14(103.27)	0.646
Picolinic acid	0.01(0.04)	0.02(0.07)	0.400
Acetylcholine chloride	2.62(3.41)	2.34(2.50)	0.738
5-Hydroxyindole-3-Acetic acid	0.09(0.11)	0.15(0.11)	0.073
Xanthurenic acid	1.73(1.93)	3.21(4.02)	0.105
Vanillymandelic Acid	0.68(1.22)	1.10(1.58)	0.298
Melatonine	0.001(0.001)	0.001(0.001)	1.000

All the units for neurotransmitter are μg/mg and all data were presented as mean (SD). Student t test was used for difference analysis between ScZ-Ag and NScZ-Ag groups